Tektronix 1730 Series Instruction Manual Download Page 245

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P320 IS PART

OF CRT

R61

22.1

+100V

C19

10UF

C24

10UF

C34

10UF

HV OSC &

ERROR AMP

C27

.1UF

741

+15A

C28

.1UF

R63

2.00K

R66

499K

5.5KV P-P

R64

100K

C20

.015UF

+5V

R60

6.04K

R59

5.000K

CR9

C65

.47UF

R65

100K

C21

.015UF

OUT

CR7

GRID DRIVE

R45

100K

R50

10.0

+100V

POST

+11KV

CRT

(g5)

(g7)

P320

ROTATION

TRACE

(x2)

<6>

(x1)

(y2)

(y1)

COLOR

CODES

WIRE

ASTIG

(g4)

GEOMETRY

ASTIG

C15

.1UF

C17

.1UF

R52

10.0

-15A

+15V

R49

20K

+100V S/N B069999

AND BELOW

R38

22M

R39

470

C11

.001UF

.01UF

CR6

CR1

CR3

DS2

R43

470

R44

470

CRT

BIAS

R58

100K

C12

.015UF

C14

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C13

.015UF

R55

22.1K

CR8

CR5

R47

100K

C22

.47UF

R57

22.1

R48

3.01K

C16

10UF

5.1V

C23

.01UF

+40VA

+15A

R103

499K

C66

10UF

Q10

CR30

VR2

CR31

C25

.1UF

FIL1

FIL2

R12

470

.001UF

.01UF

R40

10K

R30

10K

CR4

VR6

VR5

R42

150K

R29

DS1

DS3

R53

10.0

R56

10.0

R54

4.99K

R51

4.99K

C18

.1UF

+40VA

-2530V

WHT/BLUE

WHT/GRAY

BRN/RED

WHT/RED

WHT/BRN

WHT/BLK/RED

WHT/GRN

1st ANODE

FOCUS

CATHODE

(g3)

(g2)

(g1)

(k)

(f)

GREEN

RED

BRN

BLUE

HORIZONTAL

DEFLECTION

<4>

WHT/BLK

BRN

(f)

(g1)

(k)

(g3)

(g2)

(g4)

(g5)

1 2 3 4 5 6 7 8 9

SKT1

R11

2.5M

330PF

J11

1/2W

1.5M

2.2M

R46

10.0

R36

2.00K

+100V

CR2

R35

475

Z AXIS

ZAXIS

J4-1

<8>

R23

R25

100

AMPLIFIER

R34

2.00K

R33

13.0K

.1UF

+100V

+15A

R20

3.74K

100K

R31

100K

.1UF

2200PF

C10

.47UF

FOCUS

AMPLIFIER

R28

37.4K

1.5M

+5D

R41

178

CENTER

FOCUS

V1 TUBE SOCKET

VISUAL AID

(f)

A10 CRT SOCKET BOARD

<2>

DEFLECTION

VERTICAL

ASTIG (g4)

GEOM (g5)

VERT PLATE (y2)

VERT PLATE (y1)

(g2) 1st ANODE

(x1) HORIZ PLATE

(f) Filament

(k) Cathode

(g1) GRID

(g3) FOCUS

HORIZ PLATE (x2)

R27

13.0K

1.5M

+5D

-15A

R26

499K

R32

499K

R24

100

BOARD CAP

FOCUS

<8>

R22

26.1K

R37

22.1

-15A

R21

NOT INSTALLED

1730–SERIES WAVEFORM MONITOR

HIGH VOLTS POWER SUPPLY <9>

See parts list for earier values and serial number ranges

PART OF A1 POWER SUPPLY

Summary of Contents for 1730 Series

Page 1: ...B070000 and Above 070 7948 05 Warning The servicing instructions are for use by qualified personnel only To avoid personal injury do not perform any servicing unless you are qualified to do so Refer t...

Page 2: ...tents issued and pending Information in this publication supercedes that in all previously published material Specifications and price change privileges reserved Printed in the U S A Tektronix Inc P O...

Page 3: ...rranty shall not apply to any defect failure or damage caused by improper use or improper or inade quate maintenance and care Tektronix shall not be obligated to furnish service under this warranty a...

Page 4: ......

Page 5: ...t 2 5 Recall Setup 2 6 Miscellaneous 2 7 Rear panel Connectors 2 7 Bnc Connectors 2 7 Multi Pin Connectors 2 8 Power Input 2 9 Operator s Checkout Procedure 2 9 Procedure 2 10 Graticules 2 21 NTSC Com...

Page 6: ...Sync Input and Source Switch 4 6 Sync Stripper 4 6 Filter Selection 4 7 Calibrator 4 8 Vertical Output Diagram 2 4 8 Gain Cell 4 8 Gain Cell Amplifier 4 9 2nd DC Restorer 4 9 Switchable Gain Amplifie...

Page 7: ...Amplifier 4 28 Grid Drive Circuit 4 28 Z Axis Amplifier 4 29 Section 5 Checks and Adjustments 5 1 Recommended Equipment List 5 1 Electrical Instruments 5 1 Auxiliary Equipment 5 3 Performance Check 5...

Page 8: ...700F06 7 2 Utility Drawer 1700F07 7 2 Ordering 7 3 Section 8 Replaceable Electrical Parts 8 1 Parts Ordering Information 8 1 Using the Replaceable Electrical Parts List 8 1 Column Descriptions 8 2 Cro...

Page 9: ...field display with 15 line mode of the LINE SELECT on 2 19 Figure 2 14 A 1 line sweep rate with 15 continuous lines from mid field displayed using LINE SELECT 2 20 Figure 2 15 Display of vertical inte...

Page 10: ...gain 5 16 Figure 5 5 Checking PIX MON OUT signal amplitude 5 18 Figure 5 6 Initial equipment setup to check flat response 5 20 Figure 5 7 Adjustment locations for the Main and Power Supply boards 5 2...

Page 11: ...ns and compliances 1 12 Table 1 11 Physical Characteristics 1 13 Table 2 1 Preset Front Panels 2 26 Table 3 1 Internal Jumper Selections 3 2 Table 3 2 Remote Connector Pin Assignments and Functions 3...

Page 12: ...Contents viii...

Page 13: ...grounded Observe All Terminal Ratings To avoid fire or shock hazard observe all ratings and markings on the product Consult the product manual for further ratings information before making connections...

Page 14: ...rms on the Product These terms may appear on the product DANGER indicates an injury hazard immediately accessible as you read the marking WARNING indicates an injury hazard not immediately accessible...

Page 15: ...ead the block diagram description for an overview of the instrument The detailed circuit descriptions should be used with the block diagram and schematic diagrams in the foldout pages for specific inf...

Page 16: ...tm_app_supp tek com For product support outside of North America contact your local Tektronix distributor or sales office Service Support Contact your local Tektronix distributor or sales office Or v...

Page 17: ...Introduction and Specifications...

Page 18: ......

Page 19: ...mpedance bridging loop throughs in order to protect the integrity of the signal paths The input switching allows for the display of either Channel A or Channel B Input or both inputs Synchronization c...

Page 20: ...her alone or with a 1720 Series Vectorscope Line select and measurement recall for this waveform monitor are also used by the vectorscope Because of these capabili ties and the available 90 or 100 Hz...

Page 21: ...r Cord with selected power plug option 1 Replacement Cartridge Fuse correct rating for the power plug option 3 Replacement Scale Illumination Bulbs Tektronix Part No 150 0168 00 or ANSI 73 There are a...

Page 22: ...on tables that follow some items are identified as performance requirements These can be verified by performing the Performance Check Procedure in Section 5 Not all performance requirements have a mea...

Page 23: ...3 dB points are approximately 350 kHz from 3 579545 MHz 15 to 35 C operating temperature Upper and lower 3 dB points are approximately 350 kHz from 4 433619 MHz 15 to 35 C operating temperature 13 17...

Page 24: ...Hz to 6 MHz A and B channels loop through terminated in 75W Input in use or not in use instrument power on or off all deflection factor settings 19 Crosstalk between channels Greater than 50 dB of iso...

Page 25: ...Table 1 3 Calibrator Characteristic Requirement Supplemental Information Step Number Frequency 100 kHz 100 Hz Synchronizes in 2H and 1H sweeps Crystal controlled Timing accuracy is 10 s 0 01 s Can be...

Page 26: ...earity specifications exclude the first and last major divisions of the unmagnified display Timing can be adjusted 5 with front panel H CAL 10 s div 2LINE sweep accuracy Within 2 6 5 s div 1LINE sweep...

Page 27: ...to 313 Field 2 Lines 314 to 625 All Lines 1 to 312 PAL M Field 1 Lines 1 to 263 Field 2 Lines 264 to 525 All Lines 1 to 262 Table 1 5 Synchronization Characteristic Requirement Supplemental Informatio...

Page 28: ...3 step or 4 step RGB YRGB parade or overlay display Internal jumper is used to change from 3 step to 4 step capability Factory set to 3 step 7 Staircase amplitude A 10 V input will result in a horizo...

Page 29: ...le 1 9 Environmental Characteristics Characteristic Requirement Operating temperature 0 to 50 C 32 to 122 F Storage temperature 40 to 75 C 40 to 158 F Operating altitude To 15 000 feet 4572 meters Sto...

Page 30: ...fferent installation overvoltage category designations The installation categories are CAT III Distribution level mains usually permanently connected Equipment at this level is typically in a fixed in...

Page 31: ...ety requirements for electrical equipment for measurement control and laboratory use Additional Compliance IEC61010 1 Safety requirements for electrical equipment for measurement control and laborator...

Page 32: ...1730 Series Introduction 1 14...

Page 33: ...Operating Instructions...

Page 34: ......

Page 35: ...ts to the top of the list at the touch of the push button with the exception of the REF switch which returns to its previous setting 1 INPUT FILTER Toggles through three positions FLAT LPASS and CHROM...

Page 36: ...VERTICAL HORIZONTAL LINE SELECT HOLD FOR FUNCTION FOCUS SCALE INTENS DOWN UP ON INT EXT CAL GAIN DC REST 2LINE 2FLD 1LINE POWER RECALL SETUP RECALL SETUP FRAME RATE 50 Hz 60 Hz AUTO 1 2 3 1730 1731 1...

Page 37: ...t gain rate to make any input waveform signal between 0 8 and 2 0 V peak to peak a full scale display Control has no detent 5 VERTICAL Toggles between VAR X5 and off A BOTH mode consisting of VAR and...

Page 38: ...out for 2LINE or 1LINE sweep or a bright up strobe appears in both fields for 2FLD sweep This switch determines which field triggers the 2FLD sweep The selected field trigger is the first left field d...

Page 39: ...s a delimiter for example F1 19 field 1 line 19 In LINE SELECT mode the selected line is displayed in 1LINE sweep rate the selected line is displayed first in the 2LINE sweep rate and a bright up is p...

Page 40: ...ront panel setup will be stored in the selected RECALL position CAL cannot be Stored When a Store operation is performed on the 1735 the selected standard 50 Hz 60 Hz or AUTO is stored 20 RECALL SETUP...

Page 41: ...ess of the readout portion of the CRT display relative to the waveform intensity Rear panel Connectors Signal input power input RGB input Remote Sync Input Picture Monitor Out Auxiliary Control Output...

Page 42: ...l that corresponds to the front panel selected display This signal has bright up in the LINE SELECT mode and is used to drive a picture monitor 5 REMOTE A 15 pin D type female connector that provides...

Page 43: ...Only instrument functions not measurement quantities or specifications are checked in this procedure Therefore a minimum amount of test equipment is required All checks are made with the cabinet on an...

Page 44: ...SIGNAL 75W TERMINATION 75W TERMINATION Figure 2 3 Equipment connections for the 1730 Series Operator s Checkout Procedure 1 Initial Generator Setup Video Signal Generator Test Signals Full Field Colo...

Page 45: ...tors on LINE SELECT OFF no line number readout on CRT FIELD HORIZONTAL POSITION FOCUS SCALE INTENS DOWN UP and RECALL SETUP all as they are Screwdriver adjustments ROTATE V CAL H CAL and READOUT shoul...

Page 46: ...allation time or whenever the instrument is moved Check that the display blanking level is parallel to the horizontal axis If not adjust the ROTATE screwdriver adjustment until the sweep is parallel t...

Page 47: ...annel B inputs Position the color bar waveform so that the blanking level is at the 40 IRE 0 V graticule line and the sync pulses are at each end of the graticule Select the Channel B input Note that...

Page 48: ...ee Figure 2 7a Check that the falling transition of the 10th square wave passes directly through the right side timing mark The H CAL can be adjusted if timing is off Push the MAG button and check for...

Page 49: ...2 line display magnified c 1 line display Push the GAIN switch and note that the VAR indicator is lit Also note the range of amplitude signal amplitude greater than the scale at one extreme and consi...

Page 50: ...the display amplitude returns to 1 V Full Scale 10 Filter Selection The FILTER button selects the frequency response characteristic for the displayed signal The FLAT response is used for normal appli...

Page 51: ...signal with CHROMA filter Press the FILTER button once more and look to see that the CHROMA indicator is lit The signal is now displayed as chrominance only the luminance component is removed See Fig...

Page 52: ...n to FLAT 0V 1 2 1 0 1 1 0 9 0 8 0 7 0 6 0 5 0 4 0 2 0 1 0 PAL 0 3 0 7 Tek 2 4 K FACTOR F1 131 Figure 2 11 Two line display with LINE SELECT on Note readout in upper left corner 11 Sweep Speeds and Li...

Page 53: ...intensified line at the mid point of one of the fields see Figure 2 12 This intensified line is located at the line just viewed in the 2 line display Push and hold the LINE SELECT button until the in...

Page 54: ...a display of one line with a readout that shows F1 or F2 131 over 15 see Figure 2 14 This is the 15 continuous lines which were intensified in the 2 field display overlayed in a one line display The...

Page 55: ...ble for the 1730 Series All three are internal with edge illumination The graticule used by both the 1730 and the 1731 PAL M is a 525 line 60 Hz NTSC Composite scale The 1731 PAL has the CCIR 625 line...

Page 56: ...o bar ratio they are weighted to include K Factor ratings of 2 and 4 Making Measurements To use the NTSC vertical scale to make line time distortion and pulse to bar ratio measurements set the signal...

Page 57: ...and measure its amplitude The Horizontal reference line is the baseline at 0 IRE NTSC and PAL M or 0 3 V PAL This timing line is 12 divisions long on NTSC graticules 12 4 divisions for PAL and takes o...

Page 58: ...at 20 mV intervals Making Measurements To use the PAL vertical scale for measuring the K Factor for line time distortion and pulse to bar ratio measurements set the signal blanking level at the grati...

Page 59: ...5 1966 Make sure that the center of the bar is at 100 IRE when blanking level is at 0 IRE use VAR to adjust gain if necessary If necessary use the HORIZON TAL Position control to place the 2T pulse ov...

Page 60: ...ory When the 1730 Series is used as a direct replacement for the TEKTRONIX 528A Waveform Monitor which used dc voltage levels as enables it will be necessary to use a conversion circuit to change thes...

Page 61: ...p rates can be magnified 2LINE X10 and 2FLD or 1LINE X25 In addition a low ground closure at pin 3 when 2FLD Sweep is selected provides a 1 Field Sweep Remote Sync Pin 10 of the REMOTE connector is a...

Page 62: ...1730 Series Operating Instructions 2 28...

Page 63: ...azardous voltages for long periods of time after power is turned off Before attempting any servicing discharge the CRT by shorting the anode to chassis ground When discharging the CRT connect the disc...

Page 64: ...Service Safety Summary S 2 1730 Series B070000 Above...

Page 65: ...y by qualified personnel To avoid personnel injury do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so Refer to General Safety Summar...

Page 66: ......

Page 67: ...Installation...

Page 68: ......

Page 69: ...hase in multiphase systems are not recommended as power sources This section of the manual provides the information necessary to install the 1730 Series monitor in its operating environment Informatio...

Page 70: ...tion See Figure 3 1 for location of the internal plug jumpers J635 REMOTE SYNC POLARITY J540 90 HZ 100 HZ ENABLE J456 RGB YRGB J197 CH A INPUT COUPLING J504 50 HZ 60 HZ J699 CH B INPUT COUPLING J99 CL...

Page 71: ...nnector It is the Remote Control Interface the input for RGB signals and Remote Sync Remote functions which provide switching and recalling of stored front panel setups at a remote location are enable...

Page 72: ...cess the RGB staircase input 3 1 LIN 1 FLD 1 LIN 1 FLD selection available when A3W922 is installed A3W709 is not installed and A3J540 is on pins 2 3 90 Hz Trig not enabled Low Enable 1 LINE or 1 FIEL...

Page 73: ...is disabled Prevents unauthorized changes to the user defined recalls 12 FRONT PANEL PRESET 4 Remotely selects the factory preset front pan el settings from memory when pulled low grounded If more th...

Page 74: ...Waveform Monitor in some applications the 28 V enable signal used by the 528 must be converted to ground closure 0 Vdc This conversion requires only a few common parts as shown in Figure 3 3 1N4152 30...

Page 75: ...put with the front panel INPUT selector 5 ADJUST R856 see Figure 3 1 for location to center the RGB signal on the graticule 6 ADJUST C953 for the best looking display AUXILIARY Connector The rear pane...

Page 76: ...ting for the 1730 Series was performed in a 1700F00 cabinet To guarantee compliance with specifications the instrument should be operated in a cabinet The plain cabinet 1700F00 is shown in Figure 3 5...

Page 77: ...s and spacing are different from those of the 1700F00 5 000 1 625 REAR BOTTOM SIDE 9 435 6 875 8 250 0 688 5 105 3 310 16 180 0 141 DIA 4 Figure 3 6 1700F02 portable cabinet All of the 1700 Series met...

Page 78: ...he cabinet by two 6 32 Pozidriver screws located in the upper corners of the rear panel See Figure 3 7 Cabinet Securing Screws Figure 3 7 Rear view of the instrument shown in the cabinet with the secu...

Page 79: ...ide by side rack adapter The rack adapter is adjustable so the 1730 Series can be more closely aligned with other equipment in the rack See Figure 3 8 1700F05 1700F06 Figure 3 9 A 1700 Series instrume...

Page 80: ...lank side of the cabinet See Figure 3 10 1700F07 1700F05 Figure 3 10 A 1700F05 side by side rack mounting cabinet with an instrument and a 1700F07 utility drawer For applications such as consoles show...

Page 81: ...Cut hole the same size as the monitor front molding to allow the monitor front panel to align with the custom panel surface For Protruding Front Molding Cut hole in panel the same size as the opening...

Page 82: ...1730 Series Installation 3 14...

Page 83: ...Theory of Operation...

Page 84: ......

Page 85: ...rview then proceed on to the block diagram and then go into individual circuit descriptions VERTICAL INPUTS CH A CH B EXT REF FRONT PANEL CONTROLS MICROCONTROLLER AUXILIARY INTERFACE HORIZONTAL REMOTE...

Page 86: ...tching at the output of the amplifiers provides for display of either input signal or a combination of both in all sweep modes In the combination mode the Channel A signal is displayed on the left of...

Page 87: ...connector The 90 Hz triggering uses the Remote Sync Input with the internal polarity jumper set to negative sync polarity and the enabling jumper in the enabled position The output of the Sync Stripp...

Page 88: ...high potential difference between the cathode and post anode The boost in 2nd anode voltage is provided by an encapsulated 4X Multiplier Trace Rotation provides compensation for the magnetic field sur...

Page 89: ...of the amplifier output If ONDCR from the Microprocessor Diagram 5 is present U395D pins 14 15 closes and the loop compensated Buffer Amplifier U495A drives the Input Amplifier input summing junction...

Page 90: ...sync tip stretches it amplifies that portion of the signal and generates a clean sync signal The circuit responds well to pulses up to 1 MHz then rolls off to eliminate any effect from subcarrier or...

Page 91: ...nly one switch section will be closed at a time as dictated by its enable from the Microprocessor Diagram 5 going low Chrominance filters are clamped to ground when low pass filtering or flat is selec...

Page 92: ...ont panel X5 VERTICAL GAIN Amplifier output drives a Bridge Limiter that prevents the Vertical Output Amplifier from being overdriven The Vertical Output Amplifier is driven by the processed video sig...

Page 93: ...st dc restorer R484 is shorted to ground through U277C to speed up the loop time constant The enable signal for U277C is from the Micropro cessor on Diagram 5 and is only present when Fast DC Restorer...

Page 94: ...load R378 R377 and R374 is also a voltage divider that sets the input dc level for the Vertical Output Amplifier at approximately 2 V The level shifted input signal drives the base of Q383 during acti...

Page 95: ...ng coils to increase the vertical bandwidth and allow precise adjustment of flat response The Picture Monitor Output Amplifier consists of U978 and Q877 The amplifier is driven from pin 2 of U978D by...

Page 96: ...Its timing components C643 R742 and R743 keep the oscillator frequency near line sync rate When there is line rate sync the output of the comparator will be approximately equal to the U947B input dc...

Page 97: ...ational amplifier composed of Q856 and Q855 whose gain is approximately 0 5 The amplifier is compensated for optimum step definition transient response by C953 R856 the RGB Offset adjustment compensat...

Page 98: ...pulling the REMOTE 1LIN 1FLD input low to turn on Q821 Turning on Q821 shuts off Q806 and allows C906 to discharge The resulting low input on pin 19 of U535 switches the V SYNC pulse output to U535 p...

Page 99: ...which is the strobe signal for the rear panel Picture Monitor Output See Figure 4 5 for timing details Figure 4 6 and Figure 4 7 are timing diagrams that show the signal relationships for 2 Line and...

Page 100: ...on Q451 or Q450 which discharges the integrating capacitor C448 or C453 See Figure 4 8 The Q output of U541A or B going high also starts a one shot U741A or B which pulls the flip flop Preset low whic...

Page 101: ...egrator capacitor C453 to synchronize the sweep for Line Select or when dual filtering or input switching is selected The output of either one shot or LINSEL BLNK is gated through U334B to become the...

Page 102: ...form Monitor It monitors the front panel Store Recall functions and the Remote interface Changes to any switch setting or remote line is converted into appropriate control levels for circuits in the r...

Page 103: ...reference is restored The level of the 60 50 output dictates selection of the Chroma filter and the line numbering for LINE SELECT Pins 10 and 11 are the Auxiliary bus TXD pin 11 and RXD pin 10 U809B...

Page 104: ...29 1 5 420 1 1 6 4 29 1 5 29 55 6 4 29 1 5 6 12 6 4 29 1 5 8 46 8 4 1 29 1 5 56 5624 4 5 U725 is the Non Volatile Random Access Memory NOVRAM used to retain the current front panel status and the fro...

Page 105: ...ng edge of H line Sync which is the clock signal driving U884 pin 12 U527 is the Address DE MUltipleXer Demux used to decode the lower eight bits of the address line Even though both addresses and dat...

Page 106: ...cted by the control setting only Q242 is off When a Line Select Un Blanking pulse occurs U239B turns off and additional current flows through Q242 R245 the LS Focus adjustment is adjusted for optimum...

Page 107: ...plitude and polarity are controlled by the front panel ROTATE screwdriver adjustment U263A is a triangle generator whose output is compared to the front panel SCALE control output level by U263B a com...

Page 108: ...rough the LED and back to the Light Driver Switches complete a simple matrix that is read by Port 1 of the Microprocessor A completed circuit through the processor switch closure dictates an output th...

Page 109: ...the magnetic field of T3 When Q9 turns off the drain voltage flies back in a positive direction Current now flows in all of the secondary windings and supplies power The input line voltage is filtered...

Page 110: ...nt of the internal comparator U5 pin 3 is the external input to the comparator R88 and C52 connected to U5 pin 4 set the internal oscillator to 80 kHz The circuit works as follows The oscillator reset...

Page 111: ...pin 1 then feeds a trigger pulse to one shot U4 U4 pin 13 outputs a 300 ns pulse to the 130 mA current source consisting of Q7 and Q8 When Q8 turns on T2 pin 2 is pulled down until CR15 Error Amplifi...

Page 112: ...lated through a current feedback circuit R48 C16 R60 and R64 form the High Voltage Power Supply current feedback circuit As the current from the High Voltage Power Supply is increased the voltage to t...

Page 113: ...ing level for the positive excursion of the sine wave is set by the CRT Bias adjustment R58 The negative clipping level is set by the front panel INTENSITY control through the Z Axis Amplifier The cli...

Page 114: ...wn in Figure 4 3 Pin Description 1 Filament f 2 Cathode k 3 GRID g1 4 FOCUS g3 5 ASTIG g4 6 GEOM g5 7 VERT PLATE y2 9 VERT PLATE y1 11 HORIZ PLATE x2 12 1st ANODE g2 13 HORIZ PLATE x1 14 Filament f 14...

Page 115: ...Checks and Adjustments...

Page 116: ......

Page 117: ...re not instrument specifications except when listed in the Performance Requirement column of the Specification section of this manual Recommended Equipment List The following equipment and accessory i...

Page 118: ...vide more accurately controlled output amplitudes The signal generators can be ordered with one or both options AA and AB The TSG3 13 and 23 are Modulated Staircase generators with variable APL The TS...

Page 119: ...067 0916 00 and 015 0408 00 For example A TEKTRONIX TM506 Power Module 9 Variable Autotransformer For example General Radio Metered Auto Transformer W10MT3W If 220 volt operation must be checked a con...

Page 120: ...Terminators Three required one should be a feed through type For example End line 75 terminator Tektronix Part No 011 0102 00 and a feed through 75 terminator Tektronix Part No 011 0103 02 15 75 Coax...

Page 121: ...ctor A 15 pin sub miniature D type connector for example Tektronix Part No 131 0459 00 modified to enable and test the RGB Parade input See Fig 5 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 RGB staircase si...

Page 122: ...Series Checks and Adjustments 5 6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ground Remote SYNC enable 90 100HZ trigger enable Remote SYNC input Factory preset 1 Figure 5 2 Remote connector for 90 100 trigge...

Page 123: ...Supply Operation c Check for stable operation over the prescribed voltage range 3 Calibrator Frequency c Check Calibrator frequency d Check that Calibrator is synchronized in 1LINE and 2LINE SWEEP e...

Page 124: ...eck for stable display while varying generator frequency 9 Vertical Gain and X5 Gain Registration f Check 5X gain accuracy h Check VARIABLE GAIN control range upper i Check VARIABLE GAIN control range...

Page 125: ...c Check preshoot overshoot and ringing d Check pulse to bar ratio e Check bar tilt g Check field tilt k Check chrominance to luminance gain and delay error 16 X5 Transient Response d Check preshoot ov...

Page 126: ...autotransformer for either 110 or 220 Volts c Connect a composite color bar signal with 100 peak white bar and 75 amplitude color bars to the CH B INPUT and terminate the opposite side of the loop th...

Page 127: ...K that the frequency of the Calibrator is 99 9 to 100 1 kHz d CHECK that the Calibrator is synchronized in both 1LINE and 2LINE SWEEP e CHECK that sweep free runs in 2FLD 4 Sync Separation REQUIREMENT...

Page 128: ...vertical field blanking interval is displayed h Select and center the 2LINE SWEEP then push the MAG button i CHECK that some portion of the horizontal line blanking interval is displayed j CHECK that...

Page 129: ...s graticule marks is more than 1 0 5 minor division from a major graticule mark f Select 1 LINE SWEEP push and hold g Use the HORIZONTAL Position control to place the first calibrator transition on th...

Page 130: ...horizontal divisions 1 4 div Attenuated sweep responds to sweep rate and magnification controls a Connect the color bar signal to the CH A INPUT Terminate the open side of the loop through with a 75W...

Page 131: ...ries REMOTE connector See Fig 5 2 e Connect the alligator clip from the center connector red to pin 10 of the sub miniature D connector adapter f Move the jumper for J540 90 100 Hz Enable to the 1 2 p...

Page 132: ...ut of the television test signal generator to the CH B INPUT Do not terminate either loop through See Fig 5 4 1730 SERIES REAR VIEW 1410 SERIES REAR VIEW DO NOT TERMINATE VAC Figure 5 4 Equipment hook...

Page 133: ...o the CH B INPUT Do not terminate the loop through q Set the VAC for a 999 9 mV square wave r CHECK that the vertical amplitude of the display of the 1730 Series is 138 6 to 141 4 IRE 0 990 V to 1 010...

Page 134: ...tep Figure 5 5 Checking PIX MON OUT signal amplitude d Set the 1730 Series REF switch to EXT e CHECK that the level at the PIX MON OUT is 0 V 0 5 V f Turn on the 1730 Series LINE SELECT and set the te...

Page 135: ...he 0 IRE 0 V line b CHECK that the blanking level does not move when the VARIABLE gain is rotated c CHECK that the blanking level moves when the DC REST is turned off Leave DC REST OFF Turn off variab...

Page 136: ...e loop through input r Switch multiburst generator Burst off and on s CHECK that the blanking level changes less than 1 IRE 7 mV t Turn OFF DC REST u Remove the signal cables from the 1730 Series 13 C...

Page 137: ...eck that the amplitude is 100 IRE 0 7 V 5 from 250 kHz to 6 MHz h Move leveled sine wave generator output to CH B and terminate the remaining side of the loop through INPUT with a 75W termination i Se...

Page 138: ...ed from 250 kHz to 6 MHz NOTE 15 Check Transient Response REQUIREMENT Transient response for the 2T pulse and 2T bar preshoot 1 or less Pulse to bar ratio 1 1 within 1 Overshoot 2 or less Ringing 2 or...

Page 139: ...ng 4 or less a Connect the black burst signal to the 1730 Series EXT REF and terminate the remaining side of the loop through input b Turn SWEEP MAG OFF Select X5 VERTICAL GAIN and EXT REF c Install t...

Page 140: ...to CHROMA d CHECK that the amplitude of the largest chrominance bar is 99 to 101 of the amplitude in part b e Select FLAT filter Connect the sine wave generator to the CH B INPUT and set the frequency...

Page 141: ...t noted in part j of this step Note The Reference Level Readout should now be 0 00 dBm l Connect the precision high frequency terminator to the Device Under Test connector on the RF Bridge m Check tha...

Page 142: ...is no signal applied Connect the Device Under Test connector on the RF Bridge to the PIX MON OUT connector w CHECK that the return loss of the PIX MON OUT is better than 30 dB 15 8 mV from 50 kHz to...

Page 143: ...s in the same order as the longer form of the procedure Adjustment circuit numbers are also included with the step title Note also that the Short Form Procedure can be used as an index for the long fo...

Page 144: ...3 and C783 1731 R680 C778 and C784 1735 R680 C778 C784 R683 C683 and C783 22 Adjust Readout Position R209 23 Adjust CRT Bias R58 and Line Select Focus R245 Standard Adjustment Procedure The Front Pane...

Page 145: ...C784 C783 C778 C683 R683 R680 21 J504 J197 J699 J456 J540 J635 CRT BIAS ASTIG GEOM FOCUS W4 15V W3 15V 1 5V ADJ R99 671 2890 07 AND ABOVE Figure 5 7 Adjustment locations for the Main and Power Supply...

Page 146: ...t R45 GEOM for 35V 1V at pin 1 of J3 b Select CH B INPUT c Set the FOCUS control on the front panel so that it is approximately at the center of its rotation d ADJUST R11 CENTER FOCUS and R49 ASTIG fo...

Page 147: ...voltmeter active lead to the 11 8 V test point See Fig 5 8 d ADJUST R168 11 8 V ADJ for 11 78 to 11 82 volts 6 Adjust 2Line and 1 ms Sweep Calibration a Display the CAL signal on the waveform monitor...

Page 148: ...TER MULTIBURST SIGNAL Figure 5 9 Equipment setup to adjust 0 2 ms timing c Set the multiburst generator to Low Continuous and Manual Turn Markers off d Adjust the multiburst Frequency for a 5 MHz sine...

Page 149: ...djust Magnifier Registration a Set the multiburst generator for High Range Multiburst b Turn on the 1730 Series MAG c Use the HORIZONTAL Position control to position the leading edge of the sync pulse...

Page 150: ...t transient response e Remove the connections from the REMOTE connector 12 Adjust Output Bias a Set the VERTICAL Position control fully clockwise b Connect the voltmeter lead to the collector transist...

Page 151: ...rator amplitude is 1 V p p 140 IRE NTSC as displayed on the CRT graticule 14 Adjust Dual Input dc Level a Connect the color bar signal through a 75W in line terminator and a Dual Input Coupler to the...

Page 152: ...sponse a Connect the multiburst signal through an in line 75W termination to the CH A INPUT Connect the black burst signal to the EXT REF and terminate Connect a 75W cable from the 1730 Series PIX MON...

Page 153: ...e 5 12 Adjusting for best flat response f Check the response in the 2 4 MHz region If it is bumped up ADJUST both L180 and L190 in a small amount both cores should be adjusted together If it is dipped...

Page 154: ...V 2 2 IRE or 14 mV Check both frequencies for the 1735 n If not in specification at 3 58 or 4 43 MHz repeat parts e through g of this step as set up by parts a and b 17 Adjust Channel B Input Compensa...

Page 155: ...at displayed amplitude is still 100 IRE 5 IRE or 700 mV 35 mV 19 Adjust Video Out Response a Connect the multiburst output to the 1730 Series CH A INPUT b Set multiburst for high range and full amplit...

Page 156: ...djust the sine wave generator for an amplitude on the 1730 Series of 100 IRE 700 mV l Set the sine wave generator Frequency to 4 00 MHz m Re adjust C777 for minimum chrominance 21 Adjust Chroma Filter...

Page 157: ...rn on Color Bar Luminance 22 Adjust Readout Position a Select FLAT FILTER and 2LINE SWEEP for the 1730 Series b Set the 1730 Series FOCUS control for optimum display definition c Select LINE SELECT ON...

Page 158: ...ts 5 42 e ADJUST A3R245 LS Focus for the optimum display definition f ADJUST the front panel READOUT screwdriover adjustment to match the readout intensity to the Display Intensity g Turn LINE SELECT...

Page 159: ...Maintenance...

Page 160: ......

Page 161: ...E Cleaning Rosin The instrument should be cleaned often enough to prevent dust or dirt from accumulating Dirt acts as a thermal insulating blanket that prevents effective heat dissipation and can prov...

Page 162: ...ts The remedy for most visible defects is obvious however if heat damaged parts are discovered determine the cause of overheating before replacing the damaged part to prevent additional damage Periodi...

Page 163: ...tic charge should be allowed on the work station surface 5 Keep the component leads shorted together whenever possible 6 Pick up the components by the body never by the leads 7 Do not slide the compon...

Page 164: ...border NOTE Change Information Circuit Board Illustrations Electrical components connectors and test points are identified on circuit board illustrations which are located on the page facing the first...

Page 165: ...ematic diagrams and circuit board illustrations Replaceable Electrical Parts This list is arranged by assembly as designated in ANSI Standard Y32 16 1975 The list begins with the part numbers for the...

Page 166: ...connectors numerals are used from pin 2 up A triangular key symbol is used to identify pin 1 on the circuit board to assist in aligning connector with correct square pins Fig 6 2 shows the numbering s...

Page 167: ...the suspect assembly for obvious defects Most commonly these will be broken or loose components improperly seated components overheated or burned components chafed insulation etc Repair or replace all...

Page 168: ...ting procedure and an isolation transformer to avoid personal danger or instrument damage The 1730 Series power supply presents special troubleshooting problems if a fault occurs Besides having a size...

Page 169: ...les OFF ON Output Check Low Volts or High Voltage Oscillator Check High Volts Does not power up Control Circuit Check Low Volts 5 V not regulating Error Amplifier Check Low Volts Improper CRT display...

Page 170: ...s discharge 2 Rectifier Switcher Check a Use the digital multimeter to measure the voltage between TP2 and the tab drain of Q9 Be sure the voltage is near 0 V before proceeding b Unsolder and lift one...

Page 171: ...less than 20 mA Excessive current draw can be caused by CR13 or Q1 and Q2 High Volts power supply 4 Control Circuit Check a Connect the negative output from the 20 V DC Power Supply to TP2 Connect the...

Page 172: ...cathode of CR15 should be approximately 2 V f If this check did not reveal the cause for the 5 V supply not regulating refer to the Output Check and the Control Circuit Check 1 Preliminary Checks a Ta...

Page 173: ...on the digital multime ter to test CR1 CR2 CR3 CR5 and CR6 for shorts b Power up the power supply c Using the digital multimeter measure the voltage between TP1 and the cathode of CR5 It should vary b...

Page 174: ...negative than the reading from the anode of CR4 A non destructive diagnostic program is built into the 1730 Series All that is required to perform these diagnostics is a male 9 pin sub miniature D typ...

Page 175: ...operating in the normal waveform monitor configuration Corrective Maintenance NOTE Warranty Repairs NOTE Solder Replacement parts are available through the local Tektronix field office or representat...

Page 176: ...Power Cord Before attempting any disassembly of the instrument be sure to disconnect the power cord CAUTION Rear Panel Screws Do not re insert screws in the rear panel when the instrument is removed...

Page 177: ...ON Bulb Removal Replacement bulbs are supplied with this instrument as Standard Accessories Additional bulbs can be purchased from Tektronix see Replaceable Electrical Parts list or from local electro...

Page 178: ...ubber manchet around its back should come out with the CRT 1 If the CRT is to be replaced remove the metal shield from the neck of the old CRT and place it around the neck of the new CRT with the WARN...

Page 179: ...he support towards the front of the instrument until it is snug against the rubber manchet on the rear of the CRT shield Tighten the two support nuts 1 Remove the five rear screws See Fig 6 4 2 Unsold...

Page 180: ...1730 Series Maintenance 6 20 3 Remove the board by slipping it through the front panel opening...

Page 181: ...Panel Assembly Figure 6 5 Screws that hold the Front Panel circuit board A2 in place 1 Remove the plugs from the following connectors J107 to the Front Panel board J4 on the Power Supply board and J2...

Page 182: ...replacement of the board reverse the rest of the steps 1 Remove the plug from J4 on the Power Supply board This is the connection to the Main board 2 Remove the anode connection from the CRT and disch...

Page 183: ...r and a description of the service required Repackage the instrument in the original manner to provide adequate protection see Fig 6 8 If the original packaging is not available or is unfit for use re...

Page 184: ...1730 Series Maintenance 6 24 Figure 6 8 Repackaging a 1730 Series instrument...

Page 185: ...Options...

Page 186: ......

Page 187: ...wer Plug power cord and one replacement fuse Unless otherwise specified power cords for use in North America are UL listed and CSA certified Cords for use in areas other than North America are approve...

Page 188: ...one side of a 1700F05 dual rack adapter is used this blank panel can be installed in the other half to improve appearance and protect air flow When only one side of a 1700F05 dual rack adapter is used...

Page 189: ...Replaceable Electrical Parts...

Page 190: ......

Page 191: ...onix Inc Field Office or representative will contact you concerning any change in part number Change information if any is located at the rear of this manual Using the Replaceable Electrical Parts Lis...

Page 192: ...rical part for example fuse holder follows fuse Chassis mounted parts and cable assemblies have no assembly number prefix and are located at the end of the electrical parts list Indicates part number...

Page 193: ...MS DIV 07263 FAIRCHILD SEMICONDUCTOR CORP 07716 TRW INC 2850 MT PLEASANT AVE BURLINGTON IA 52601 TRW IRC FIXED RESISTORS BURLINGTON 09023 CORNELL DUBILIER ELECTRONICS 2652 DALRYMPLE ST SANFORD NC 2733...

Page 194: ...INC 2300 RIVERSIDE BLVD NORFOLK NE 68701 2242 PO BOX 74 57668 ROHM CORP 8 WHATNEY IRVINE CA 92713 PO BOX 19515 58050 TEKA PRODUCTS INC 45 SALEM ST PROVIDENCE RI 02907 59660 TUSONIX INC 7741 N BUSINESS...

Page 195: ...5 Mfr Code City State Zip Code Address Manufacturer BLDG 17 11 TK1573 WILHELM WESTERMAN PO BOX 2345 6800 MANNHEIM 1 WEST GERMANY AUGUSTA ANLAGE 56 TK1913 WIMA 2269 SAW MILL RIVER ROAD ELMSFORD NY 1052...

Page 196: ...80009 671289010 A1 671 2890 12 B079211 CIRCUIT BD ASSY POWER SUPPLY 1730 ONLY 80009 671289010 A1 671 2890 12 B079468 CIRCUIT BD ASSY POWER SUPPLY 1731 ONLY 80009 671289010 A1 671 2890 12 B079480 CIRCU...

Page 197: ...0 150 X0 290 04222 SA305E474MAA A1C42 290 1267 00 CAP FXD ALUM 560UF 20 50V ESR 0 40 OHM 100KHZ 20C 0H1N5 CEEFM1H561M7 A1C43 281 0563 00 CAP FXD CERAMIC MLC 0 47UF 20 50V 0 150 X 0 290 04222 SA305E47...

Page 198: ...RY 400V 1A 200NS 0LUA3 1N4936 A1DS1 150 0050 00 LAMP GLOW 135V MAX 1 9MA C2A T WIRE LEAD 0J9R2 NE 2Q 11R T A1DS2 150 0050 00 LAMP GLOW 135V MAX 1 9MA C2A T WIRE LEAD 0J9R2 NE 2Q 11R T A1DS3 150 0050 0...

Page 199: ...RES FXD CMPSN 47 OHM 5 0 25W 50139 CB4705 A1R30 315 0103 03 RES FXD CMPSN 10K OHM 5 0 25W 50139 CB1035 A1R31 322 3385 00 RES FXD METAL FILM 100K OHM 1 0 2W TC 100 PPM 91637 CCF501G10002F A1R32 322 34...

Page 200: ...M 18 7K OHM 1 0 2W TC T0MI 91637 CCF501G18701F A1R85 322 3385 00 RES FXD METAL FILM 100K OHM 1 0 2W TC 100 PPM 91637 CCF501G10002F A1R86 308 0793 00 RES FXD 0 51 OHM 5 1WTC 150PPM DEG C MI 75042 BW20...

Page 201: ...Y DIR 2 IN 2 GRN RED 80009 150 1284 00 A2DS228 PART OF DS227 A2DS240 150 1290 00 DIO OPTO LED ASSY GRN 150 1109 00 IN 352 0779 00 A THREE PL HLDR 80009 150 1290 00 A2DS241 PART OF DS240 A2DS242 PART O...

Page 202: ...A2S130 260 2300 00 SW SIG SPST PUSH MOM NO W GND TERM MNL INSER TION 100 GRAMS SIL SLD B3F1152 34361 B3F1152 ATTACHED PARTS 366 0616 00 PUSH BTN 0 585 X 0 3 X 0 150 80009 366 0616 00 END ATTACHED PART...

Page 203: ...C96 281 0788 00 CAP FXD CER MLC 470PF 10 100V 0 100 X 0 170 AXIAL MI 04222 SA102C471KAA A3C97 281 0799 00 CAP FXD CER DI 62PF 2 100V 80009 281 0799 00 A3C98 281 0775 01 CAP FXD CER MCL 0 1UF 20 50V Z5...

Page 204: ...3C396 281 0775 01 CAP FXD CER MCL 0 1UF 20 50V Z5U 0 170 X 0 100 AXIAL 04222 SA105E104MAA A3C398 281 0815 00 CAP FXD CER MLC 0 027UF 20 50V 0 100 X 0 260 AXIAL MI 04222 SA205C273MAA A3C428 281 0775 01...

Page 205: ...813 00 CAP FXD CER MLC 0 047UF 20 50V 0 100 X 0 170 AXIAL MI 04222 SA105E473MAA A3C752 281 0775 01 CAP FXD CER MCL 0 1UF 20 50V Z5U 0 170 X 0 100 AXIAL 04222 SA105E104MAA A3C775 281 0158 00 CAP VAR CE...

Page 206: ...6 00 DIO RECT 400V 1A IFSM 30A 1 2VF 2US GP10G 1N5060 T R SAF CONT 05828 GP10G 020 A3CR268 152 0066 00 DIO RECT 400V 1A IFSM 30A 1 2VF 2US GP10G 1N5060 T R SAF CONT 05828 GP10G 020 A3CR272 152 0066 00...

Page 207: ...80009 152 0141 02 A3CR850 152 0141 02 DIO SIG ULTRA FAST 40V 150MA 4NS 2PF 1N4152 DO 35 80009 152 0141 02 A3CR865 152 0141 02 DIO SIG ULTRA FAST 40V 150MA 4NS 2PF 1N4152 DO 35 80009 152 0141 02 A3CR8...

Page 208: ...131 3199 00 A3Q99 151 0188 00 XSTR SIG BIPOLAR PNP 40V 200MA 250MHZ AMPL 2N3906 TO 92 EBC 80009 151 0188 00 A3Q142 151 0188 00 XSTR SIG BIPOLAR PNP 40V 200MA 250MHZ AMPL 2N3906 TO 92 EBC 80009 151 01...

Page 209: ...99 151 0190 00 XSTR SIG BIPOLAR NPN 40V 200MA 300MHZ AMPL 2N3904 TO 92 EBC 80009 151 0190 00 A3Q540 151 0190 00 XSTR SIG BIPOLAR NPN 40V 200MA 300MHZ AMPL 2N3904 TO 92 EBC 80009 151 0190 00 A3Q541 151...

Page 210: ...MA 250MHZ AMPL 2N3906 TO 92 EBC 80009 151 0188 00 A3Q856 151 0195 02 XSTR SIG BIPOLAR NPN 20V 100MA 150MHZ AMPLIFIER 2 N5223 MPS6521 TO 92 EBC T A 80009 151 0195 02 A3Q858 151 0216 04 XSTR SIG BIPOLAR...

Page 211: ...M 7 5K OHM 1 0 2W TC T0 57668 CRB20 FXE 7K50 A3R180 322 3034 00 RES FXD MET FILM 22 1 OHM 1 0 2W TC 100 PPM AXIAL 57668 CRB20FXE2K94 A3R183 301 0472 00 RES FXD FILM 4 7K OHM 5 0 5W 80009 301 0472 00 A...

Page 212: ...FXD MET FILM 1K OHM 1 0 2W TC 100 PPM AXIAL 57668 CRB20 FXE 1K00 A3R343 322 3289 00 RES FXD MET FILM 10K OHM 1 0 2W TC 100 PPM AXIAL 80009 322 3289 00 A3R344 322 3289 00 RES FXD MET FILM 10K OHM 1 0...

Page 213: ...FILM 2K OHM 1 0 2W TC 100 PPM AXIAL 57668 CRB20 FXE 2K00 A3R477 322 3311 00 RES FXD FILM 16 9K OHM 1 0 2W TC T0 56845 CCF 50 2 1692F A3R478 322 3193 00 RES FXD MET FILM 1K OHM 1 0 2W TC 100 PPM AXIAL...

Page 214: ...100 PPM AXIAL 57668 CRB20 FXE 15K0 A3R572 322 3066 00 RES FXD MET FILM 47 5 OHM 1 0 2W TC 100 PPM AXIAL 09969 CCF502G47R50F A3R573 322 3204 00 RES FXD FILM 1 3K OHM 1 0 2W TC T0 80009 322 3204 00 A3R...

Page 215: ...0 2W TC T0 57668 CRB20 FXE 511E A3R665 322 3258 00 RES FXD MET FILM 4 75K OHM 1 0 2W TC 100 PPM 80009 322 3258 00 A3R666 322 3322 00 RES FXD MET FILM 22 1K OHM 1 0 2W TC 100 PPM 80009 322 3322 00 A3R...

Page 216: ...68 CRB20 FXE 12K1 A3R773 322 3268 00 RES FXD FILM 6 04K OHM 1 0 2W TC T0 80009 322 3268 00 A3R774 322 3339 00 RES FXD MET FILM 33 2K OHM 1 0 2W TC 100 PPM 80009 322 3339 00 A3R775 322 3097 00 RES FXD...

Page 217: ...2 3274 00 RES FXD FILM 6 98K OHM 1 0 2W TC T0 91637 CCF502G69800FT A3R885 322 3385 00 RES FXD MET FILM 100K OHM 1 0 2W TC 100 PPM AXIAL 57668 CRB20 FXE 100K A3R887 322 3281 00 RES FXD MET FILM 8 25K O...

Page 218: ...IAL 80009 322 3289 00 A3R994 322 3322 00 RES FXD MET FILM 22 1K OHM 1 0 2W TC 100 PPM 80009 322 3322 00 A3R997 322 3306 00 RES FXD MET FILM 15K OHM 1 0 2W TC 100 PPM AXIAL 57668 CRB20 FXE 15K0 A3S404...

Page 219: ...00 A3U564 156 0048 00 IC LIN 80009 156 0048 00 A3U578 156 2460 00 IC MISC BIPOLAR MOD DEMOD BAL MC1496P DIP14 3 04713 MC1496P A3U585 156 1850 00 IC MISC CMOS ANLG SW QUAD DG211 DIP16 3 17856 SDG21107...

Page 220: ...PCB LAMPHOLDER FEMALE STR SINGLE 0 404H X 0 218 TAILTIN T 1 75 WEDGE BASE 80009 136 1119 01 END MOUNTING PARTS A3A1DS200 150 0168 00 LAMP INCAND 14V 0 08A WG BASE T1 75 FOR SKT MT 80009 150 0168 00 MO...

Page 221: ...00 1730 ONLY V1 154 0986 00 ELECTRON TUBE CRT FINISHED D14 375GH 986 80009 154 0986 00 1731 ONLY V1 154 0989 00 ELECTRON TUBE CRT FINISHED D14 375GH 989 80009 154 0989 00 1735 ONLY V1 154 0985 16 ELE...

Page 222: ...1730 Series Replaceable Electrical Parts 8 32...

Page 223: ...Diagrams Circuit Board Illustrations...

Page 224: ......

Page 225: ...tions are based on ANSI Y1 1 1972 Other ANSI standards that are used in the preparation of diagrams by Tektronix Inc are Y14 15 1966 Drafting Practices Y14 2 1973 Line Conventions and Lettering Y10 5...

Page 226: ...ted in the lookup table When more than one schematic diagram is used to illustrate the circuitry on a circuit board the circuit board illustration will only appear opposite the first diagram the looku...

Page 227: ...4 43 1 CAL BACKPORCH EXT STROBE OUT LINE SELECT BACKPORCH GENERATOR 3 VERTICAL SYNC 3 HORIZONTAL AFC SYNC 3 FIELD ID TRIG SELECT 3 CALDR SCALE 7 FOCUS 7 2 TWO ONE LIN FLD NOVRAM 5 HCAL 7 SWEEP GENERA...

Page 228: ...CR99 E4 N6 CR588 E3 N4 CR589 E3 N4 CR670 G1 L4 CR671 G1 L4 CR696 E5 P4 CR697 E4 P5 CR698 E5 P5 CR699 E5 P5 CR778 H3 M5 CR779 H3 M5 CR887 G4 O5 CR988 F5 O6 CR989 F5 O6 CR990 F4 P6 DS117 C1 A1 J3 A1 Q1...

Page 229: ...FILTER SELECTION CHANNEL SWITCH INPUT AMPLIFIERS CALIBRATOR EXTERNAL SYNC INPUT SOURCE SWITCH SYNC STRIPPER 1730 SERIES WAVEFORM MONITOR VERTICAL INPUT 1...

Page 230: ...G4 K5 Q764 1 G3 K5 Q765 1 G3 K5 Q774 1 H1 K5 Q775 1 G1 L5 Q776 1 H2 L4 Q777 1 H2 L5 Q788 1 F1 O5 Q790 1 D1 O5 Q791 1 F1 O5 Q792 1 D1 O5 Q793 1 E1 O5 Q798 1 D4 P5 Q799 1 E5 Q5 Q805 3 H3 B5 Q806 3 G3 B5...

Page 231: ...GAIN CELL GAIN CELL AMPLIFIER PIX MONITOR SWITCHABLE GAIN AMPLIFIER 2nd DC RESTORER VERTICAL OUTPUT AMPLIFIER 1730 SERIES WAVEFORM MONITOR VERTICAL OUTPUT 2...

Page 232: ...98 C1 K6 R435 H3 F3 R538 G3 F3 R539 G3 F4 R543 B2 G4 R636 B2 F4 R647 C2 H5 R734 C3 E5 R736 D3 F5 R741 C2 G5 R742 B3 G5 R743 B3 G5 R751 D5 H5 R755 G2 I5 R805 G3 B6 R834 C3 E5 R835 C5 E5 R836 C5 E6 R837...

Page 233: ...GENERATOR HORIZONTAL SYNC RGB AMPLIFIER VERTICAL SYNC GENERATOR FIELD ID TRIGGER SELECT 1730 SERIES WAVEFORM MONITOR TIMING 3...

Page 234: ...I3 R456 E4 I3 R457 E4 I3 R458 E5 J3 R459 E4 J3 R462 E3 J3 R463 F4 J3 R464 E5 J3 R465 F2 J3 R466 G1 K3 R532 A5 E3 R540 C5 G3 R541 C4 G3 R542 C5 G3 R544 A3 G4 R545 A2 G4 R546 D2 H4 R547 C2 H4 R548 D2 H4...

Page 235: ...761 9V C865 1UF R966 47 5K 11 8V 100V R865 2 61K R766 13 0K VR769 CR757 R960 100K Q868 CR865 R866 100 R867 100 R965 100K R868 2 61K 100V TO CRT HORIZ Q865 GREEN RED H4 9 R859 13 0K C859 1UF R860 11 0K...

Page 236: ...B G1 E1 U234D G3 E1 U305A G5 B2 U305B H4 B2 U305C H4 B2 U305D H4 B2 U305E H5 B2 U325 G1 D2 U331A G3 D2 U331B G3 D2 U407 G4 B2 U522 C3 C3 U527 E1 D3 U532 G2 D3 U533 E2 E3 U725 D4 D5 U726 E4 D5 U727 E3...

Page 237: ...FLD ROEN ROEN 4 4 2 6 6 E5 F4 D2 B4 A5 CAL DRIVE A2 1 3 E3 F3 LED DRIVE 2 4 3 U305B CA3083 CALDR R1 R504 1 00K NC NC A 2 B 3 C 4 D 5 E 6 F 7 G 8 DP 9 SA 17 SB 18 SC 19 SD 20 SE 21 SF 23 SG 24 SDP 25 D...

Page 238: ...Q142 H2 G1 Q143 H2 G1 Q158 G4 I1 Q242 C2 G1 Q243 B3 G1 Q346 D2 G2 Q347 D2 H2 R136 G2 F1 R137 G2 F1 R138 C4 F1 R139 C2 F1 R143 H2 G1 R149 D1 H1 R161 F3 J1 R162 F3 J1 R163 F3 J1 R164 F3 J1 R166 F4 J1 R...

Page 239: ...Z AXIS CONTROL TRACE ROTATION FOCUS CONTROL GRATICULE ILLUMINATION 11 8V REGULATORS 1730 SERIES WAVEFORM MONITOR CONTROL CIRCUIT 6...

Page 240: ...DS227 C3 B2 DS228 C3 B2 DS240 C3 B2 DS241 C3 B2 DS242 C4 B2 DS314 C4 A2 DS315 C5 A3 DS316 C5 A3 DS327 C4 B2 DS328 C5 B3 DS329 C5 B3 DS340 D4 B2 DS341 D5 B3 J303 H1 A2 R212 F2 A2 R245 F1 C2 R412 F3 A3...

Page 241: ...4C LPASS CHRM EXT CAL 4 3 DS117B 6 5 DS117C 4 3 DS136B 6 5 DS136C INPUT VAR 2 1 DS227A OFF R1 C6 C2 R1 R2 C3 C2 2 1 DS240A DISPLAY SCALE FOCUS 11 8V 11 8V 11 8V R412 20K R429 20K ROW0 ROW1 ROW2 FOCUS...

Page 242: ...A2 M3 J10 A2 N1 L1 F3 F2 L2 F2 G1 L3 F2 G2 L4 C2 N1 Q7 D5 I4 Q8 E4 I4 Q9 D3 J1 R679 F2 F4 R68 F4 G5 R69 G4 G5 R70 G4 G4 R71 F4 H4 R72 D5 H4 R73 E5 I4 R74 C4 J5 R75 B5 J4 R76 C5 I4 R77 D4 I4 R78 B4 J4...

Page 243: ...5D 5V C33 10UF C37 560UF NC J4 CONNECTS A3 MAIN BOARD 100V 5V 15V 40V TO J154 A4 6 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 J4 ZAXIS FOCUS J4 1 A4 A4 D5 9 9 9 5V Q11 ERROR R13 100 R14 10 0 5 1V VR3...

Page 244: ...1 CR4 9 C2 B2 CR5 9 D2 C3 CR6 9 E2 C3 CR7 9 C2 D4 CR8 9 C2 D4 CR9 9 C1 E4 CR10 8 F1 G2 CR11 8 F2 G2 CR12 8 F2 G1 CR13 8 F3 G2 CR14 8 E2 G3 CR15 8 E4 G5 CR16 8 D5 I4 CR17 8 E2 I2 CR18 8 D2 I2 CR19 8 B3...

Page 245: ...6 7 7 J1 2530V WHT BLUE WHT GRAY BRN RED WHT RED WHT BRN WHT BLK RED WHT GRN 1st ANODE FOCUS 14 3 2 CATHODE 4 1 g3 12 g2 g1 k f f H3 H3 1 2 3 4 5 6 7 GREEN RED BRN BLUE HORIZONTAL DEFLECTION J3 1 2 3...

Page 246: ......

Page 247: ...Replaceable Mechanical Parts...

Page 248: ......

Page 249: ...ve ordered has been replaced with a new or improved part your local Tektronix Inc Field Office or representative will contact you concerning any change in part number Change information if any is loca...

Page 250: ...te relationship 1 2 3 4 5 Name Description Assembly and or Component Mounting parts for Assembly and or Component MOUNTING PARTS END MOUNTING PARTS Detail Part of Assembly and or Component Mounting pa...

Page 251: ...PAXTON ST PACOIMA CA 91331 56501 THOMAS BETTS CORPORATION 1555 LINFIELD RD MEMPHIS TN 38119 5F520 PANEL COMPONENTS CORP PO BOX 115 OSKALOOSA IA 52577 0115 71400 BUSSMANN DIVISION COOPER INDUSTRIES INC...

Page 252: ...1 FRAME SECT CAB FRONT 3L462 ORDER BY DESCR 9 426 2101 04 B070000 1 FRAME SECT CAB FRONT 3L462 ORDER BY DESCR MOUNTING PARTS 10 211 0721 00 4 SCREW MACHINE 6 32 X 0 375 PNH STL CDPL T 15 TORX 0KB01 OR...

Page 253: ...ASSY CRT SOCKET SEE A10 REPL 37 346 0133 00 1 STRAP TIEDOWN E 14 0 X 0 091 NYLON 56501 TY234M EURO DIRECT PURCH 38 337 4064 00 1 SHIELD ELEC MU METAL CRT SHIELD SAF CONTROLLED 80009 337 4064 00 39 33...

Page 254: ...METER STR IEC320 RCPT AUSTRALIA SAFTEY CONTROLLED 80126 ORDER BY DESCR AUSTRALIAN OPTION A3 ONLY 50 161 0212 00 1 CABLE ASSY PWR 3 1 0MM SQ 220V 2 5 METERS SWISS 5F520 86542000 SWISS OPTION A5 ONLY 0...

Page 255: ...1730 Series Waveform Monitor FIG 1 EXPLODED VIEW A1 A3 A2 A3A1 A10 A11...

Page 256: ...1730 Series B070000 Up...

Page 257: ......

Page 258: ......

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